Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

In this fun experiment, we'll find out how color affects heat absorption!

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea investigates how color affects temperature.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!